Home / 15,379,854.94-21,224,143.02-8,673,654.34

Finding the Fourth Proportional to 15,379,854.94, 21,224,143.02 and 8,673,654.34

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Solution

The fourth proportional to 15,379,854.94, 21,224,143.02 and 8,673,654.34 is: 11,969,610.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379,854.94 : 21,224,143.02 = 8,673,654.34 : x
  2. Step 2: Convert to fraction form
    15,379,854.94/21,224,143.02 = 8,673,654.34/x
  3. Step 3: Cross multiply
    15,379,854.94x = 21,224,143.02 × 8,673,654.34
  4. Step 4: Simplify right side
    15,379,854.94x = 184,090,880,218,203.69
  5. Step 5: Solve for x
    x = 184,090,880,218,203.69/15,379,854.94
  6. Step 6: Final answer
    x = 11,969,610.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.